Sunday, July 22, 2007

NTP clock synchronization howto

Old BIOS CMOS battery? It seems that your system always defaults back to its old hardware clock?

Here is a way to synchorize your clock remotely to a specific time server around the globe.

By default redhat-based distro install with X selected, it includes a graphical interface for changing system date and time named system-config-date. As it says, provides a graphical interface that allows the user to change the system date and time. It also allows the user to configure the system time zone and to setup the NTP daemon to synchronize the time of the system with a NTP time server.

To run the binary:

# system-config-date

Make sure yo click on Network Time Protocol tabbed menu, tick on "Enable Network Time Protocol (NTP) and select any NTP servers currently listed, click OK and you're good to go. This is also equivalent to syncing window$-based desktop to their owd NTP server .

Optionally, you can click "Show advanced options" and tick the first box that says "Synchronize system clock before starting service" . Make sure, under Time Zone tabbed menu, you have the correct chosen timezone

This is also one way on how to adjust your current date and time using Date/Time tabbed menu.

It ain't hard, right.


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